A、require loading operations to be shut down until the atmosphere clears
B、are toxic to human life
C、are subject to spontaneous combustion
D、may be explosive in some concentrations
更多“Atmosphere laden with coal dust or grain dust caused by loading these cargoes（）.”相关的问题
A、require loading operations to be shut down until the atmosphere clears B、are toxic to human life C、are subject to spontaneous combustion D、may be explosive in some concentrations
A、require loading operations to be shut down until the atmosphere clears B、are toxic to human life C、are subject to spontaneous combustion D、may be explosive in some concentrations
A、A.as a mass of warm，humid air rises into the atmosphere and cools，condensing moisture into small droplets B、B.as winds blow across bodies of water，the sun causes the moisture to be absorbed and move upward forming clouds C、C.dry air compresses moisture from the atmosphere into clouds D、D.when the relative humidity of the atmosphere is low
A、flammable vapors from entering machinery space B、flue gas escaping to atmosphere C、inert gas escaping to atmosphere D、air entering inert gas system
A、A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern B、A vessel is dead in the water when the back wash from astern operation reaches the bow C、A tunnel bow thruster can be used in an emergency to reduce the stopping distance D、When a vessel is dead in the water any speed displayed by doppler log reflects the current
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